CA1029585A - Optical system for television projection - Google Patents
Optical system for television projectionInfo
- Publication number
- CA1029585A CA1029585A CA239,819A CA239819A CA1029585A CA 1029585 A CA1029585 A CA 1029585A CA 239819 A CA239819 A CA 239819A CA 1029585 A CA1029585 A CA 1029585A
- Authority
- CA
- Canada
- Prior art keywords
- optical system
- television projection
- television
- projection
- optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/540,312 US3943282A (en) | 1975-01-13 | 1975-01-13 | Projection television apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1029585A true CA1029585A (en) | 1978-04-18 |
Family
ID=24154902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA239,819A Expired CA1029585A (en) | 1975-01-13 | 1975-11-17 | Optical system for television projection |
Country Status (6)
Country | Link |
---|---|
US (1) | US3943282A (en) |
JP (1) | JPS5195726A (en) |
CA (1) | CA1029585A (en) |
DE (1) | DE2553641A1 (en) |
FR (1) | FR2297534A1 (en) |
GB (1) | GB1511288A (en) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5311930U (en) * | 1976-07-13 | 1978-01-31 | ||
US4058837A (en) * | 1976-09-07 | 1977-11-15 | Muntz Earl W | Projection television receiver |
US4177484A (en) * | 1977-05-16 | 1979-12-04 | Agar International Ltd. | Large screen television |
US4202015A (en) * | 1978-01-25 | 1980-05-06 | Pickett Lawrence F | Video projection system |
JPS593664Y2 (en) * | 1978-09-20 | 1984-02-01 | ソニー株式会社 | Mirror opening/closing device in video projector |
US4237493A (en) * | 1978-10-23 | 1980-12-02 | Minnesota Mining And Manufacturing Company | Television support and picture projector |
US4231067A (en) * | 1978-10-30 | 1980-10-28 | Viewpoint, Inc. | Television image projection apparatus |
US4403815A (en) * | 1981-01-12 | 1983-09-13 | Runco Virgil S | Knock down projection television cabinet |
NL8302277A (en) * | 1983-06-28 | 1985-01-16 | Philips Nv | VIDEO TRANSPARENT PROJECTION DEVICE. |
JPS6242390U (en) * | 1985-08-31 | 1987-03-13 | ||
FR2635874B1 (en) * | 1988-08-30 | 1991-11-29 | Cintra Daniel | DEVICE FOR ENLARGING IMAGES |
US7426804B2 (en) * | 2002-02-06 | 2008-09-23 | Andersen Corporation | Specialty display window |
US6988339B2 (en) * | 2002-02-06 | 2006-01-24 | Andersen Corporation | Specialty media window |
AU2003202746A1 (en) * | 2002-03-14 | 2003-09-22 | Koninklijke Philips Electronics N.V. | Rear projection system |
US7470030B2 (en) * | 2005-07-28 | 2008-12-30 | Hewlett-Packard Development Company, L.P. | Cabinet-surface-mounted projection lens and methods |
US20080068565A1 (en) * | 2006-09-12 | 2008-03-20 | Ods Co., Ltd. | Micro display device |
USD843480S1 (en) | 2018-06-01 | 2019-03-19 | Bally Gaming, Inc. | Gaming machine with curved display |
USD843458S1 (en) * | 2016-03-30 | 2019-03-19 | Bally Gaming, Inc. | Gaming machine with curved display |
USD819747S1 (en) * | 2016-03-30 | 2018-06-05 | Bally Gaming, Inc. | Gaming machine with curved display |
USD896314S1 (en) | 2016-03-30 | 2020-09-15 | Sg Gaming, Inc. | Gaming machine with curved display |
USD843459S1 (en) * | 2016-03-30 | 2019-03-19 | Bally Gaming, Inc. | Gaming machine with curved display |
USD850536S1 (en) | 2016-09-23 | 2019-06-04 | Aristocrat Technologies Australia Pty Limited | Gaming machine display |
USD850537S1 (en) | 2017-09-05 | 2019-06-04 | Aristocrat Technologies Australia Pty Limited | Gaming machine |
USD1023156S1 (en) | 2019-08-29 | 2024-04-16 | Aristocrat Technologies Australia Pty Limited | Gaming machine with stepper reel and display screen with a transitional graphical user interface |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB436301A (en) * | 1934-04-09 | 1935-10-09 | Charlton Stanford Agate | Improvements in or relating to television receiving apparatus |
US2186570A (en) * | 1937-08-13 | 1940-01-09 | John C Batchelor | Television reproducer |
-
1975
- 1975-01-13 US US05/540,312 patent/US3943282A/en not_active Expired - Lifetime
- 1975-11-17 CA CA239,819A patent/CA1029585A/en not_active Expired
- 1975-11-26 GB GB48523/75A patent/GB1511288A/en not_active Expired
- 1975-11-28 DE DE19752553641 patent/DE2553641A1/en active Pending
- 1975-12-17 FR FR7538631A patent/FR2297534A1/en not_active Withdrawn
-
1976
- 1976-01-09 JP JP51001653A patent/JPS5195726A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2297534A1 (en) | 1976-08-06 |
GB1511288A (en) | 1978-05-17 |
DE2553641A1 (en) | 1976-07-29 |
JPS5195726A (en) | 1976-08-21 |
US3943282A (en) | 1976-03-09 |
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